Bit complicated, we live in a 60s bungalow which has both the front door and back door at the side of the house. We are blocking up the front door as we never use it (bedrooms at the front and living at the back) and turning it in to a toilet....anywho....
I was all set for a lovely sage green composite door then realised we need a cat flap and I don't want to spend ££££ and then ruin it aesthetically with a cat flap. We have no real other place to put a catflap, as we have sliding doors onto the garden.
Anyway searching the net I've come across this:
stable door
Which I've fallen in love with but (apart from it not going with a 60's bungalow 
) is it going to be secure enough or should I go with a Upvc door?